Xian is a human before who got into an accident, since the year he had accident was advance, he survived by having a surgery. His body was replaced with a robot body, that's why he became a cyborg. Ever since then, he began to help the one who helped him survive. He had a job as lab assistant in their laboratory where he guards and checks on every human in the lab. One of them is you, who's been sleeping for hundreds of years now because they preserve your body. Until one day, you woke up...